Update appc-dispatcher for >1 ansible servers

Change Transaction record update logic to handle null instance entry.

Issue-ID: APPC-1516

Change-Id: Ia87e08fbb61d4d0be38802e3e81b45773b1d9498
Signed-off-by: Dunietz, Irwin <irwin.dunietz@att.com>
diff --git a/appc-dispatcher/appc-request-handler/appc-request-handler-api/pom.xml b/appc-dispatcher/appc-request-handler/appc-request-handler-api/pom.xml
index c13e6c4..15229dd 100644
--- a/appc-dispatcher/appc-request-handler/appc-request-handler-api/pom.xml
+++ b/appc-dispatcher/appc-request-handler/appc-request-handler-api/pom.xml
@@ -24,12 +24,12 @@
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-	<parent>
-		<groupId>org.onap.appc.parent</groupId>
-		<artifactId>binding-parent</artifactId>
-		<version>1.5.0-SNAPSHOT</version>
-                <relativePath />
-	</parent>
+    <parent>
+        <groupId>org.onap.appc.parent</groupId>
+        <artifactId>binding-parent</artifactId>
+        <version>1.5.0-SNAPSHOT</version>
+        <relativePath />
+    </parent>
 
     <artifactId>appc-request-handler-api</artifactId>
     <packaging>bundle</packaging>